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Table 2 Genes with more than 5-fold decreased expression in the tolC mutant strain.

From: Absence of functional TolC protein causes increased stress response gene expression in Sinorhizobium meliloti

Gene identifier

Annotation or description

Fold change1 (tolC vs. wild-type)

Transcription and signal transduction

SMa0402

Transcriptional regulator, GntR family

-8.4

SMb21115

Putative response regulator

-20.2

SMc01042

ntrB nitrogen assimilation regulatory protein

-8.0

SMc01043

ntrC nitrogen assimilation regulatory protein

-6.9

SMc01504

Receiver domain

-7.2

SMc01819

Transcription regulator TetR family

-10.0

SMc03806

glnK probable nitrogen regulatory protein PII 2

-9.1

Metabolism

SMa0387

hisC3 histidinol-phosphate aminotransferase

-11.4

SMa0398

hisD2 histidinol dehydrogenase

-10.6

SMa1683

Arylsulfatase

-5.0

SMb20984

nirB nitrite reductase NAD(P)H

-22.7

SMb20985

nirD nitrite reductase NAD(P)H

-26.6

SMb20986

narB putative nitrate reductase, large subunit

-14.1

SMb20987

Putative uroporphiryn-III C-methyltransferase

-7.6

SMb21094

argH2 argininosuccinate lyase

-20.7

SMb21163

hutU urocanate hydratase (urocanase)

-10.3

SMb21164

hutG Putative formiminoglutamase

-11.5

SMb21165

hutH Putative histidine ammonia-lyase histidase

-7.7

SMc01041

dusB tRNA-dihydrouridine synthase B

-9.5

SMc01814

Probable glutamate synthase small chain

-12.5

SMc01820

Putative N-carbamyl-L-amino acid amidohydrolase

-12.7

SMc01967

speB2 putative agmatinase

-18.7

SMc03208

hmgA homogentisate 1,2-dioxygenase

-5.5

SMc04026

gltD probable glutamate synthase small chain

-9.2

SMc04028

gltB probable glutamate synthase NADPH large chain

-11.7

SMc04153

Putative aminomethyltransferase

-8.7

SMc04323

Probable aminotransferase

-7.8

Transport

SMa0391

ABC transporter, ATP-binding protein

-15.6

SMa0392

ABC transporter, periplasmic solute-binding protein

-8.3/-23.5

SMa0394

ABC transporter, permease

-10.5

SMa0396

ABC transporter, permease

-10.1

SMa0581

nrtC nitrate transporter, ATP binding protein

-24.8

SMa0583

nrtB nitrate transporter, permease

-33.0

SMa0585

nrtA nitrate ABC transporter, periplasmic nitrate binding protein

-34.8

SMb20436

Probable nitrate transporter

-62.2/-63.5

SMb20602

ABC transporter, ATP-binding protein

-12.0

SMb20603

ABC transporter, permease

-15.7

SMb20604

ABC transporter, permease

-25.0

SMb20605

ABC transporter, periplasmic solute-binding protein

-22.4

SMb21095

ABC transporter, permease

-10.3

SMb21096

ABC transporter, permease

-10.7

SMb21097

ABC transporter periplasmic solute-binding protein

-17.5

SMb21114

Putative nitrate transport protein

-10.3

SMb21707

ABC transporter, ATP-binding protein

-14.4

SMc01597

Putative amino acid permease

-8.1

SMc01963

Spermidine/putrescine transport system permease

-5.2

SMc01964

Putative spermidine/putrescine transport system permease ABC transporter

-5.8

SMc01965

Spermidine/putrescine ABC transporter ATP-binding subunit

-7.4

SMc01966

Putative spermidine/putrescine-binding periplasmic ABC transporter

-12.4

SMc03807

amtB probable ammonium transporter

-8.1

SMc04147

Putative amino acid permease

-10.7

  1. 1 Some S. meliloti genes have more than one probe set represented on the array. In these cases, more than one fold change value is shown.